protected override IDealInfo MakeDeal()
        {
            var sellers      = _bussinesService.GetAllStockOwners();
            var seller       = sellers.GetRandom();
            var stockForSale = seller.Stocks.Where(stock => stock.IsForSale).GetRandom();
            var cost         = stockForSale.Type.Cost;
            var buyer        = _bussinesService.GetAllClients().Where(client => client.Id != seller.Id).GetRandom();

            this._bussinesService.RegisterNewDeal(seller, buyer, stockForSale, cost);
            var dealInfo = new DealInfo()
            {
                Amount = cost, Stock = stockForSale.Type.Name, Buyer = $"{buyer.Name} {buyer.Surname}", Seller = $"{seller.Name} {seller.Surname}"
            };

            OnDealConcluded?.Invoke(this, dealInfo);
            return(dealInfo);
        }